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[Blood sialic acids in atherosclerosis]
Biokhimiia (Moscow, Russia)
|May 1, 1995
Summary
Atherosclerosis patients show increased total and lipid-bound sialic acid levels in blood serum compared to healthy donors. This suggests higher sialylation of serum proteins and increased sialoglycolipids in patients with this condition.
Area of Science:
- Biochemistry
- Clinical Chemistry
- Cardiovascular Research
Context:
- Atherosclerosis is a cardiovascular disease characterized by the thickening of coronary vessels.
- Sialic acids are crucial components of glycoproteins and glycolipids involved in various biological processes.
- Understanding biochemical alterations in atherosclerosis is vital for diagnosis and treatment.
Purpose:
- To determine and compare the concentrations of total, protein-bound, and lipid-bound sialic acids in the blood sera of patients with atherosclerosis and healthy donors.
- To investigate the relationship between sialic acid levels, protein content, and lipid profiles in atherosclerosis.
Summary:
- Blood sera from atherosclerotic patients exhibited a 20% average increase in total sialic acid compared to donors.
- Increased sialylation of serum proteins and elevated levels of lipid-bound sialic acid were observed in patients.
- While lipid-bound sialic acid is higher in patients, its concentration relative to cholesterol is similar, indicating a correlation with increased lipoprotein content.
Impact:
- The findings suggest that elevated sialic acid levels, particularly protein-bound sialic acid, could serve as a potential biomarker for atherosclerosis.
- This research contributes to understanding the role of sialylation in the pathogenesis of atherosclerosis.
- The correlation between sialoglycolipids and lipoproteins provides insights into the lipid metabolism changes in atherosclerotic patients.